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                        多线程
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                            <b>0.1.</b>
                        
                        多线程
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                            <b>0.2.</b>
                        
                        pthread
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                            <b>0.3.</b>
                        
                        NSThread
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                            <b>0.3.1.</b>
                        
                        创建线程的方式
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                            <b>0.3.2.</b>
                        
                        NSThread 的 Target
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                            <b>0.3.3.</b>
                        
                        线程状态
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                            <b>0.3.4.</b>
                        
                        线程属性
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                            <b>0.3.5.</b>
                        
                        资源共享
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                            <b>0.3.6.</b>
                        
                        原子属性
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                            <b>0.3.7.</b>
                        
                        线程间通讯
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                            <b>0.4.</b>
                        
                        GCD
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                            <b>0.4.1.</b>
                        
                        同步 &amp; 异步
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                            <b>0.4.2.</b>
                        
                        block
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                            <b>0.4.3.</b>
                        
                        GCD 常用代码
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                            <b>0.4.4.</b>
                        
                        串行队列
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                            <b>0.4.5.</b>
                        
                        并发队列
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                            <b>0.4.6.</b>
                        
                        主队列
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                            <b>0.4.7.</b>
                        
                        同步任务的作用
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                            <b>0.4.8.</b>
                        
                        Barrier 异步
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                            <b>0.4.9.</b>
                        
                        全局队列
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                            <b>0.4.10.</b>
                        
                        延迟操作
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                            <b>0.4.11.</b>
                        
                        一次性执行
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                            <b>0.4.12.</b>
                        
                        调度组
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                            <b>0.5.</b>
                        
                        NSOperation
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                            <b>0.5.1.</b>
                        
                        基本演练
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                            <b>0.5.2.</b>
                        
                        高级演练
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                            <b>0.5.3.</b>
                        
                        与 GCD 的对比
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                            <b>0.5.4.</b>
                        
                        自定义操作
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                            <b>0.6.</b>
                        
                        异步加载图片
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                            <b>0.6.1.</b>
                        
                        搭建界面&amp;数据准备
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                            <b>0.6.2.</b>
                        
                        同步加载图像
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                            <b>0.6.3.</b>
                        
                        异步加载图像
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                            <b>0.6.4.</b>
                        
                        占位图像
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                            <b>0.6.5.</b>
                        
                        MVC
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                            <b>0.6.6.</b>
                        
                        操作缓冲池
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                            <b>0.6.7.</b>
                        
                        图像缓冲池
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                            <b>0.6.8.</b>
                        
                        代码重构
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                            <b>0.6.9.</b>
                        
                        内存警告
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                            <b>0.6.10.</b>
                        
                        黑名单
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                            <b>0.6.11.</b>
                        
                        沙盒缓存
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                            <b>0.6.12.</b>
                        
                        小结
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                            <b>0.6.13.</b>
                        
                        SDWebImage初体验
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                            <b>0.7.</b>
                        
                        仿SDWebImage
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                            <b>0.7.1.</b>
                        
                        下载操作
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                            <b>0.7.2.</b>
                        
                        测试下载操作
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                            <b>0.7.3.</b>
                        
                        下载管理器
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                            <b>0.7.4.</b>
                        
                        自定义 UIImageView
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                            <b>0.8.</b>
                        
                        SDWebImage
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                            <b>0.8.1.</b>
                        
                        第三方框架
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                            <b>0.8.2.</b>
                        
                        位移枚举
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                            <b>0.8.3.</b>
                        
                        NSCache
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                            <b>0.8.4.</b>
                        
                        SDWebImage常见面试题
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                            <b>0.9.</b>
                        
                        runloop
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                            <b>0.10.</b>
                        
                        自动释放池
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        <a href="./" >多线程</a>
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                        <h1 id="%E5%A4%9A%E7%BA%BF%E7%A8%8B">&#x591A;&#x7EBF;&#x7A0B;</h1>
<h2 id="%E5%9F%BA%E6%9C%AC%E6%A6%82%E5%BF%B5">&#x57FA;&#x672C;&#x6982;&#x5FF5;</h2>
<h3 id="%E8%BF%9B%E7%A8%8B">&#x8FDB;&#x7A0B;</h3>
<ul>
<li>&#x8FDB;&#x7A0B;&#x662F;&#x6307;&#x5728;&#x7CFB;&#x7EDF;&#x4E2D;&#x6B63;&#x5728;&#x8FD0;&#x884C;&#x7684;&#x4E00;&#x4E2A;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;</li>
<li>&#x6BCF;&#x4E2A;&#x8FDB;&#x7A0B;&#x4E4B;&#x95F4;&#x662F;&#x72EC;&#x7ACB;&#x7684;&#xFF0C;&#x6BCF;&#x4E2A;&#x8FDB;&#x7A0B;&#x5747;&#x8FD0;&#x884C;&#x5728;&#x5176;&#x4E13;&#x7528;&#x4E14;&#x53D7;&#x4FDD;&#x62A4;&#x7684;&#x5185;&#x5B58;&#x7A7A;&#x95F4;&#x5185;</li>
<li>&#x901A;&#x8FC7; <code>&#x6D3B;&#x52A8;&#x76D1;&#x89C6;&#x5668;</code> &#x53EF;&#x4EE5;&#x67E5;&#x770B; <code>Mac</code> &#x7CFB;&#x7EDF;&#x4E2D;&#x6240;&#x5F00;&#x542F;&#x7684;&#x8FDB;&#x7A0B;</li>
</ul>
<h3 id="%E7%BA%BF%E7%A8%8B">&#x7EBF;&#x7A0B;</h3>
<ul>
<li>&#x8FDB;&#x7A0B;&#x8981;&#x60F3;&#x6267;&#x884C;&#x4EFB;&#x52A1;&#xFF0C;&#x5FC5;&#x987B;&#x5F97;&#x6709;&#x7EBF;&#x7A0B;&#xFF0C;&#x8FDB;&#x7A0B;&#x81F3;&#x5C11;&#x8981;&#x6709;&#x4E00;&#x6761;&#x7EBF;&#x7A0B;</li>
<li>&#x7A0B;&#x5E8F;&#x542F;&#x52A8;&#x4F1A;&#x9ED8;&#x8BA4;&#x5F00;&#x542F;&#x4E00;&#x6761;&#x7EBF;&#x7A0B;&#xFF0C;&#x8FD9;&#x6761;&#x7EBF;&#x7A0B;&#x88AB;&#x79F0;&#x4E3A;<code>&#x4E3B;&#x7EBF;&#x7A0B;</code>&#x6216;<code>UI &#x7EBF;&#x7A0B;</code></li>
<li>&#x7EBF;&#x7A0B;&#x662F;&#x8FDB;&#x7A0B;&#x7684;&#x57FA;&#x672C;&#x6267;&#x884C;&#x5355;&#x5143;&#xFF0C;&#x8FDB;&#x7A0B;&#x7684;&#x6240;&#x6709;&#x4EFB;&#x52A1;&#x90FD;&#x5728;&#x7EBF;&#x7A0B;&#x4E2D;&#x6267;&#x884C;</li>
</ul>
<h2 id="%E5%A4%9A%E7%BA%BF%E7%A8%8B">&#x591A;&#x7EBF;&#x7A0B;</h2>
<ul>
<li>&#x4E00;&#x4E2A;&#x8FDB;&#x7A0B;&#x4E2D;&#x53EF;&#x4EE5;&#x5F00;&#x542F;&#x591A;&#x6761;&#x7EBF;&#x7A0B;&#xFF0C;&#x6BCF;&#x6761;&#x7EBF;&#x7A0B;&#x53EF;&#x4EE5;<code>&#x540C;&#x65F6;</code>&#x6267;&#x884C;&#x4E0D;&#x540C;&#x7684;&#x4EFB;&#x52A1;<ul>
<li><code>&#x8FDB;&#x7A0B;</code> -&gt; &#x516C;&#x53F8;</li>
<li><code>&#x7EBF;&#x7A0B;</code> -&gt; &#x5458;&#x5DE5;</li>
<li><code>&#x4E3B;&#x7EBF;&#x7A0B;</code> -&gt; &#x8001;&#x677F;(&#x7B2C;&#x4E00;&#x4E2A;&#x5458;&#x5DE5;)</li>
</ul>
</li>
<li>&#x591A;&#x7EBF;&#x7A0B;&#x6280;&#x672F;&#x53EF;&#x4EE5;&#x63D0;&#x9AD8;&#x7A0B;&#x5E8F;&#x7684;&#x6267;&#x884C;&#x6548;&#x7387;</li>
</ul>
<h3 id="%E5%A4%9A%E7%BA%BF%E7%A8%8B%E5%8E%9F%E7%90%86">&#x591A;&#x7EBF;&#x7A0B;&#x539F;&#x7406;</h3>
<ul>
<li>&#x540C;&#x4E00;&#x65F6;&#x95F4;&#xFF0C;CPU&#x53EA;&#x80FD;&#x5904;&#x7406;&#x4E00;&#x6761;&#x7EBF;&#x7A0B;&#xFF0C;&#x53EA;&#x6709;&#x4E00;&#x6761;&#x7EBF;&#x7A0B;&#x5728;&#x6267;&#x884C;</li>
<li><strong>&#x591A;&#x7EBF;&#x7A0B;&#x540C;&#x65F6;&#x6267;&#x884C;&#xFF0C;&#x5176;&#x5B9E;&#x662F;CPU&#x5FEB;&#x901F;&#x5730;&#x5728;&#x591A;&#x6761;&#x7EBF;&#x7A0B;&#x4E4B;&#x95F4;&#x5207;&#x6362;</strong></li>
<li>&#x5982;&#x679C;CPU&#x8C03;&#x5EA6;&#x7EBF;&#x7A0B;&#x7684;&#x65F6;&#x95F4;&#x8DB3;&#x591F;&#x5FEB;&#xFF0C;&#x5C31;&#x9020;&#x6210;&#x4E86;&#x591A;&#x7EBF;&#x7A0B;&#x5E76;&#x53D1;&#x6267;&#x884C;&#x7684;<code>&#x5047;&#x8C61;</code></li>
<li>&#x5982;&#x679C;&#x7EBF;&#x7A0B;&#x975E;&#x5E38;&#x591A;&#xFF0C;&#x4F1A;&#x5728;&#x591A;&#x6761;&#x7EBF;&#x7A0B;&#x4E4B;&#x95F4;&#x6765;&#x56DE;&#x5207;&#x6362;&#xFF0C;&#x6D88;&#x8017;&#x5927;&#x91CF;&#x7684; CPU &#x8D44;&#x6E90;<ul>
<li>&#x6BCF;&#x4E2A;&#x7EBF;&#x7A0B;&#x88AB;&#x8C03;&#x5EA6;&#x7684;&#x6B21;&#x6570;&#x4F1A;&#x964D;&#x4F4E;</li>
<li>&#x7EBF;&#x7A0B;&#x7684;&#x6267;&#x884C;&#x6548;&#x7387;&#x4F1A;&#x4E0B;&#x964D;</li>
</ul>
</li>
</ul>
<p><img src="images/multithread/&#x521B;&#x5EFA;&#x7EBF;&#x7A0B;&#x5F00;&#x9500;.png" alt=""></p>
<blockquote>
<p>iOS 8.0 &#x4E3B;&#x7EBF;&#x7A0B;&#x7684;&#x9ED8;&#x8BA4;&#x5806;&#x6808;&#x5927;&#x5C0F;&#x4E5F;&#x662F; <code>512K</code></p>
</blockquote>
<h3 id="%E5%A4%9A%E7%BA%BF%E7%A8%8B%E4%BC%98%E7%BC%BA%E7%82%B9">&#x591A;&#x7EBF;&#x7A0B;&#x4F18;&#x7F3A;&#x70B9;</h3>
<h4 id="%E4%BC%98%E7%82%B9">&#x4F18;&#x70B9;</h4>
<ul>
<li>&#x80FD;&#x9002;&#x5F53;&#x63D0;&#x9AD8;&#x7A0B;&#x5E8F;&#x7684;&#x6267;&#x884C;&#x6548;&#x7387;</li>
<li>&#x80FD;&#x9002;&#x5F53;&#x63D0;&#x9AD8;&#x8D44;&#x6E90;&#x5229;&#x7528;&#x7387;&#xFF08;CPU&#x3001;&#x5185;&#x5B58;&#x5229;&#x7528;&#x7387;&#xFF09;</li>
</ul>
<h4 id="%E7%BC%BA%E7%82%B9">&#x7F3A;&#x70B9;</h4>
<ul>
<li>&#x5F00;&#x542F;&#x7EBF;&#x7A0B;&#x9700;&#x8981;&#x5360;&#x7528;&#x4E00;&#x5B9A;&#x7684;&#x5185;&#x5B58;&#x7A7A;&#x95F4;&#xFF0C;&#x5982;&#x679C;&#x5F00;&#x542F;&#x5927;&#x91CF;&#x7684;&#x7EBF;&#x7A0B;&#xFF0C;&#x4F1A;&#x5360;&#x7528;&#x5927;&#x91CF;&#x7684;&#x5185;&#x5B58;&#x7A7A;&#x95F4;&#xFF0C;&#x964D;&#x4F4E;&#x7A0B;&#x5E8F;&#x7684;&#x6027;&#x80FD;</li>
<li>&#x7EBF;&#x7A0B;&#x8D8A;&#x591A;&#xFF0C;CPU&#x5728;&#x8C03;&#x5EA6;&#x7EBF;&#x7A0B;&#x4E0A;&#x7684;&#x5F00;&#x9500;&#x5C31;&#x8D8A;&#x5927;</li>
<li>&#x7A0B;&#x5E8F;&#x8BBE;&#x8BA1;&#x66F4;&#x52A0;&#x590D;&#x6742;&#xFF1A;&#x6BD4;&#x5982;&#x7EBF;&#x7A0B;&#x4E4B;&#x95F4;&#x7684;&#x901A;&#x4FE1;&#x3001;&#x591A;&#x7EBF;&#x7A0B;&#x7684;&#x6570;&#x636E;&#x5171;&#x4EAB;</li>
</ul>
<h3 id="%E4%B8%BB%E7%BA%BF%E7%A8%8B">&#x4E3B;&#x7EBF;&#x7A0B;</h3>
<ul>
<li>&#x7A0B;&#x5E8F;&#x542F;&#x52A8;&#x521B;&#x5EFA;&#x7684;&#x7EBF;&#x7A0B;&#xFF0C;&#x88AB;&#x79F0;&#x4E3A;<code>&#x4E3B;&#x7EBF;&#x7A0B;</code>&#x6216;<code>UI &#x7EBF;&#x7A0B;</code></li>
<li>&#x4E3B;&#x7EBF;&#x7A0B;&#x7684;&#x4F5C;&#x7528;<ul>
<li>&#x663E;&#x793A;/&#x5237;&#x65B0; UI &#x754C;&#x9762;</li>
<li>&#x5904;&#x7406; UI &#x4E8B;&#x4EF6;&#xFF1A;<code>&#x70B9;&#x51FB;</code>&#x3001;<code>&#x6EDA;&#x52A8;</code>&#x3001;<code>&#x62D6;&#x62FD;</code>&#x7B49;&#x4E8B;&#x4EF6;</li>
</ul>
</li>
</ul>
<blockquote>
<p>&#x6CE8;&#x610F;&#xFF1A;&#x8981;&#x5C06;<code>&#x8017;&#x65F6;&#x64CD;&#x4F5C;</code>&#x653E;&#x5728;&#x540E;&#x53F0;&#x7EBF;&#x7A0B;&#x6267;&#x884C;&#xFF0C;&#x5426;&#x5219;&#x4F1A;&#x5F71;&#x54CD; UI &#x7684;&#x6D41;&#x7545;&#x5EA6;&#xFF0C;&#x7834;&#x574F;&#x7528;&#x6237;&#x4F53;&#x9A8C;</p>
</blockquote>
<ul>
<li>&#x6240;&#x6709;&#x7F51;&#x7EDC;&#x8BBF;&#x95EE;&#x90FD;&#x662F;&#x8017;&#x65F6;&#x64CD;&#x4F5C;&#xFF01;</li>
</ul>
<h2 id="ios%E4%B8%AD%E5%A4%9A%E7%BA%BF%E7%A8%8B%E7%9A%84%E5%AE%9E%E7%8E%B0%E6%96%B9%E6%A1%88">iOS&#x4E2D;&#x591A;&#x7EBF;&#x7A0B;&#x7684;&#x5B9E;&#x73B0;&#x65B9;&#x6848;</h2>
<table>
<thead>
<tr>
<th>&#x65B9;&#x6848;</th>
<th>&#x7B80;&#x4ECB;</th>
<th>&#x8BED;&#x8A00;</th>
<th>&#x7EBF;&#x7A0B;&#x751F;&#x547D;&#x5468;&#x671F;</th>
<th>&#x4F7F;&#x7528;&#x9891;&#x7387;</th>
</tr>
</thead>
<tbody>
<tr>
<td>pthread</td>
<td><ul><li>&#x4E00;&#x5957;&#x901A;&#x7528;&#x7684;&#x591A;&#x7EBF;&#x7A0B;API</li><li>&#x9002;&#x7528;&#x4E8E; Unix / Linux / Windows &#x7B49;&#x7CFB;&#x7EDF;</li><li>&#x8DE8;&#x5E73;&#x53F0;\&#x53EF;&#x79FB;&#x690D;</li><li>&#x4F7F;&#x7528;&#x96BE;&#x5EA6;&#x5927;</li></ul></td>
<td>C</td>
<td>&#x7A0B;&#x5E8F;&#x5458;&#x7BA1;&#x7406;</td>
<td>&#x51E0;&#x4E4E;&#x4E0D;&#x7528;</td>
</tr>
<tr>
<td>NSThread</td>
<td><ul><li>&#x4F7F;&#x7528;&#x66F4;&#x52A0;&#x9762;&#x5411;&#x5BF9;&#x8C61;</li><li>&#x7B80;&#x5355;&#x6613;&#x7528;&#xFF0C;&#x53EF;&#x76F4;&#x63A5;&#x64CD;&#x4F5C;&#x7EBF;&#x7A0B;&#x5BF9;&#x8C61;</li></ul></td>
<td>OC</td>
<td>&#x7A0B;&#x5E8F;&#x5458;&#x7BA1;&#x7406;</td>
<td>&#x5076;&#x5C14;&#x4F7F;&#x7528;</td>
</tr>
<tr>
<td>GCD</td>
<td><ul><li>&#x65E8;&#x5728;&#x66FF;&#x4EE3;NSThread&#x7B49;&#x7EBF;&#x7A0B;&#x6280;&#x672F;</li><li>&#x5145;&#x5206;&#x5229;&#x7528;&#x8BBE;&#x5907;&#x7684;&#x591A;&#x6838;</li></ul></td>
<td>C</td>
<td>&#x81EA;&#x52A8;&#x7BA1;&#x7406;</td>
<td>&#x7ECF;&#x5E38;&#x4F7F;&#x7528;</td>
</tr>
<tr>
<td>NSOperation</td>
<td><ul><li>&#x57FA;&#x4E8E;GCD&#xFF08;&#x5E95;&#x5C42;&#x662F;GCD&#xFF09;</li><li>&#x6BD4;GCD&#x591A;&#x4E86;&#x4E00;&#x4E9B;&#x66F4;&#x7B80;&#x5355;&#x5B9E;&#x7528;&#x7684;&#x529F;&#x80FD;</li><li>&#x4F7F;&#x7528;&#x66F4;&#x52A0;&#x9762;&#x5411;&#x5BF9;&#x8C61;</li></ul></td>
<td>OC</td>
<td>&#x81EA;&#x52A8;&#x7BA1;&#x7406;</td>
<td>&#x7ECF;&#x5E38;&#x4F7F;&#x7528;</td>
</tr>
</tbody>
</table>

                    
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